Probléme fichier exe+internet

Bonjour,

Voila en allant me promener sur un forum mon logiciel avira a trouvé un trojan et depuis plus moyen de lancer les fichier exe et des pubs en permanence d'antivirus arrive sur mon pc
j'ai tout essayer meme en mode sans échec mais cela revient toujours

voila si quelq'un pourrait m'aider il serait super

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:08:08, on 25/07/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18928)
Boot mode: Safe mode

Running processes:
C:\Windows\Explorer.EXE
C:\Program Files\Avira\AntiVir Desktop\avcenter.exe
C:\Windows\system32\wbem\unsecapp.exe
c:\program files\avira\antivir desktop\avscan.exe
D:\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://www.cherche.us/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.cherche.us
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.cherche.us/keyword/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://ww12.cherche.us
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://ww12.cherche.us
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://ww12.cherche.us
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.cherche.us
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://ww12.cherche.us
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.hugedomains.com/domain_profile.cfm?d=duxet&e=com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://ww12.cherche.us
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.cherche.us/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://ww12.cherche.us
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = http=127.0.0.1:5643
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: UrlSearchHook Class - {00000000-6E41-4FD3-8538-502F5495E5FC} - C:\Program Files\Ask.com\GenericAskToolbar.dll
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\Program Files\Orange\Connexion Internet Orange\SearchURLHook\SearchPageURL.dll
O1 - Hosts: ::1 localhost
O2 - BHO: IDM Helper - {0055C089-8582-441B-A0BF-17B458C2A3A8} - C:\Program Files\Internet Download Manager\IDMIECC.dll
O2 - BHO: IEPlugin Class - {11222041-111B-46E3-BD29-EFB2449479B1} - C:\PROGRA~1\ArcSoft\MEDIAC~1\INTERN~1\ARCURL~1.DLL
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: SBCONVERT - {31B27F2D-6BC6-451B-B3D2-4EAB36B2FC3B} - C:\Program Files\SpeedBit Video Downloader\Toolbar\tbcore3.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.5.5126.1836\swg.dll
O2 - BHO: (no name) - {B70A1A54-6DFB-4AD8-9A62-2C00A3CC5BB4} - (no file)
O2 - BHO: Ask Toolbar BHO - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files\Ask.com\GenericAskToolbar.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: GrabberObj Class - {FF7C3CF0-4B15-11D1-ABED-709549C10000} - C:\PROGRA~1\SPEEDB~1\Toolbar\grabber.dll
O3 - Toolbar: SpeedBit Video Downloader - {0329E7D6-6F54-462D-93F6-F5C3118BADF2} - C:\Program Files\SpeedBit Video Downloader\Toolbar\tbcore3.dll
O3 - Toolbar: DAEMON Tools Toolbar - {32099AAC-C132-4136-9E9A-4E364A424E17} - C:\Program Files\DAEMON Tools Toolbar\DTToolbar.dll
O3 - Toolbar: barre d'outils Orange - {D3028143-6145-4318-99D3-3EDCE54A95A9} - C:\Program Files\Orange\ToolbarFR\ToolbarContainer101000315.dll
O3 - Toolbar: Ask Toolbar - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files\Ask.com\GenericAskToolbar.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [RtHDVCpl] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
O4 - HKLM\..\Run: [HWSetup] "C:\Program Files\TOSHIBA\Utilities\HWSetup.exe" hwSetUP
O4 - HKLM\..\Run: [KeNotify] C:\Program Files\TOSHIBA\Utilities\KeNotify.exe
O4 - HKLM\..\Run: [TosSENotify] C:\Program Files\TOSHIBA\TOSHIBA HDD SSD Alert\TosSENotify.exe
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [TPwrMain] %ProgramFiles%\TOSHIBA\Power Saver\TPwrMain.EXE
O4 - HKLM\..\Run: [HSON] %ProgramFiles%\TOSHIBA\TBS\HSON.exe
O4 - HKLM\..\Run: [SmoothView] %ProgramFiles%\Toshiba\SmoothView\SmoothView.exe
O4 - HKLM\..\Run: [00TCrdMain] %ProgramFiles%\TOSHIBA\FlashCards\TCrdMain.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [SmartFaceVWatcher] %ProgramFiles%\Toshiba\SmartFaceV\SmartFaceVWatcher.exe
O4 - HKLM\..\Run: [Teco] "%ProgramFiles%\TOSHIBA\TECO\Teco.exe" /r
O4 - HKLM\..\Run: [TPCHWMsg] %ProgramFiles%\TOSHIBA\TPHM\TPCHWMsg.exe
O4 - HKLM\..\Run: [NDSTray.exe] "C:\Program Files\TOSHIBA\ConfigFree\NDSTray.exe"
O4 - HKLM\..\Run: [cfFncEnabler.exe] "C:\Program Files\TOSHIBA\ConfigFree\cfFncEnabler.exe"
O4 - HKLM\..\Run: [TWebCamera] "%ProgramFiles%\TOSHIBA\TOSHIBA Web Camera Application\TWebCamera.exe" autorun
O4 - HKLM\..\Run: [Toshiba TEMPRO] C:\Program Files\Toshiba TEMPRO\TemproTray.exe
O4 - HKLM\..\Run: [Toshiba Registration] C:\Program Files\Toshiba\Registration\ToshibaReminder.exe
O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleSyncNotifier.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [ORAHSSSessionManager] "C:\Program Files\Orange\Connexion Internet Orange\SessionManager\SessionManager.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [ArcSoft Connection Service] C:\Program Files\Common Files\ArcSoft\Connection Service\Bin\ACDaemon.exe
O4 - HKLM\..\Run: [sta] rundll32 "edqwp.dll",,Run
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [IDMan] C:\Program Files\Internet Download Manager\IDMan.exe /onboot
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Program Files\DAEMON Tools Lite\DTLite.exe" -autorun
O4 - HKCU\..\Run: [MailNotifier] C:\Program Files\Orange\MailNotifier\MailNotifier.exe
O4 - HKCU\..\Run: [setupupdate70700.exe] C:\Users\chichi\AppData\Roaming\2C1BCE01E1E68EA6B33FAFA76AAEC588\setupupdate70700.exe
O4 - HKCU\..\Run: [qgplhaiq] C:\Users\chichi\AppData\Local\cwrjbqtdn\hiapcegtssd.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [TOSHIBA Online Product Information] C:\Program Files\TOSHIBA\Toshiba Online Product Information\topi.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [TOSHIBA Online Product Information] C:\Program Files\TOSHIBA\Toshiba Online Product Information\topi.exe (User 'Default user')
O4 - .DEFAULT User Startup: TRDCReminder.lnk = C:\Program Files\TOSHIBA\TRDCReminder\TRDCReminder.exe (User 'Default user')
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\Windows\system32\GPhotos.scr/200
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_89D8574934B26AC4.dll/cmsidewiki.html
O8 - Extra context menu item: Recherche avec cherche.us - C:\Users\chichi\scriptjava.html
O8 - Extra context menu item: Télécharger avec IDM - C:\Program Files\Internet Download Manager\IEExt.htm
O8 - Extra context menu item: Télécharger le contenu de video FLV avec IDM - C:\Program Files\Internet Download Manager\IEGetVL.htm
O8 - Extra context menu item: Télécharger tous les liens avec IDM - C:\Program Files\Internet Download Manager\IEGetAll.htm
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra button: eBay - {76577871-04EC-495E-A12B-91F7C3600AFA} - https://www.ebay.fr (file missing)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O13 - Gopher Prefix:
O15 - Trusted Zone: *.chat-land.org
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O23 - Service: ArcSoft Connect Daemon (ACDaemon) - ArcSoft Inc. - C:\Program Files\Common Files\ArcSoft\Connection Service\Bin\ACService.exe
O23 - Service: AMD External Events Utility - AMD - C:\Windows\system32\atiesrxx.exe
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: TOSHIBA Web Camera Service (camsvc) - TOSHIBA - C:\Program Files\TOSHIBA\TOSHIBA Web Camera Application\TWebCameraSrv.exe
O23 - Service: ConfigFree Service - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom SA - C:\PROGRA~1\COMMON~1\France Telecom\Shared Modules\FTRTSVC\0\FTRTSVC.exe
O23 - Service: Service Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LibUsb-Win32 - Daemon, Version 0.1.10.1 (libusbd) - https://sourceforge.net/p/libusb-win32/wiki/Home/ - C:\Windows\system32\libusbd-nt.exe
O23 - Service: NMSAccessU - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files\Common Files\Steam\SteamService.exe
O23 - Service: Notebook Performance Tuning Service (TEMPRO) (TemproMonitoringService) - Toshiba Europe GmbH - C:\Program Files\Toshiba TEMPRO\TemproSvc.exe
O23 - Service: TMachInfo - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA Service Station\TMachInfo.exe
O23 - Service: TOSHIBA Navi Support Service (TNaviSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA DVD PLAYER\TNaviSrv.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - TOSHIBA Corporation - C:\Windows\system32\TODDSrv.exe
O23 - Service: TOSHIBA Power Saver (TosCoSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\Power Saver\TosCoSrv.exe
O23 - Service: TOSHIBA eco Utility Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TECO\TecoService.exe
O23 - Service: Service TOSHIBA HDD SSD Alert (TOSHIBA HDD SSD Alert Service) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA HDD SSD Alert\TosSmartSrv.exe
O23 - Service: TPCH Service (TPCHSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TPHM\TPCHSrv.exe
O23 - Service: VideoAcceleratorService - Speedbit Ltd. - C:\PROGRA~1\SPEEDB~2\VideoAcceleratorService.exe
O23 - Service: webserver - Unknown owner - C:\Program Files\webserver\webserver.exe (file missing)